[FFmpeg-user] Container format that allows quick frame count of unfinished video.

2015-01-27 Thread Kal Sze
Hello. I have a particular requirement in the application that I am developing. We have a Debian server and a bunch of Windows machines. Each Windows machine is responsible for capturing and encoding multiple videos as H.264 or FFV1, and writing them out to the Debian server over samba. On the D

Re: [FFmpeg-user] trouble compiling ffmpeg...no yasm

2015-01-27 Thread Dan Mahoney
On 1/27/15 2:52 PM, Dan Mahoney wrote: Download yasm from http://yasm.tortall.net/Download.html and install it. That error will then go away. On 1/26/15 5:18 PM, Rich Headrick wrote: Greetings, I'm trying to install ffmpeg and I keep getting the following error at the command line: [root@rhe

Re: [FFmpeg-user] trouble compiling ffmpeg...no yasm

2015-01-27 Thread Dan Mahoney
Download yasm from http://yasm.tortall.net/Download.html and install it. That error will then go away. On 1/26/15 5:18 PM, Rich Headrick wrote: Greetings, I'm trying to install ffmpeg and I keep getting the following error at the command line: [root@rheadric-linux ffmpeg]# ./configure --enable

Re: [FFmpeg-user] Looking to change QT audio files from 4 mono chanels to 4 discrete chanels

2015-01-27 Thread Lou
On Tue, 27 Jan 2015 15:46:46 + Esnault Jean-Manuel wrote: > Hello All, > > I'm looking for help. > > I have a set of QT files with 4 audio mono chanels (uncompressed 48kHz). > I need to turn these files into 4 discrete audio chanels. > > This can be done manually into QT7 (but it's quite l

[FFmpeg-user] Finding which frames were marked as interlaced by vf=idet

2015-01-27 Thread Jan Sever
Hi all, is there any option to enable printing of numbers of frames which were marked as interlaced by vf=idet? I'd like to detect the parts in a movie that are interlaced because the detection is not 100% successfull (although it's very precise: many thanks to everybody involved), so I'd like

[FFmpeg-user] Looking to change QT audio files from 4 mono chanels to 4 discrete chanels

2015-01-27 Thread Esnault Jean-Manuel
Hello All, I'm looking for help. I have a set of QT files with 4 audio mono chanels (uncompressed 48kHz). I need to turn these files into 4 discrete audio chanels. This can be done manually into QT7 (but it's quite long to change each chanel of each file). I wonder if ffmpeg could do this, wit

Re: [FFmpeg-user] The device does not support the streaming I/O method.

2015-01-27 Thread Thomas Seilund
Carl Eugen Hoyos writes: Thomas Seilund netmaster.dk> writes: It works fine when "static int v4l2_read_probe(AVProbeData *p)" returns 13 Please provide a sample, I would like (to try) to get this fixed, but this will not be possible without a file. Thank you, Carl Eugen __

Re: [FFmpeg-user] Cutdetection (dynamic threshold) and Fadedetection with ffmpeg

2015-01-27 Thread Moritz Barsnick
On Tue, Jan 27, 2015 at 15:50:37 +0100, Christoph Gerstbauer wrote: > > I'm not so familiar with ffmpeg on Windows, but suspect that the > > error here relates to how the filepath is escaped. Could you try > > quoting the filterchain or escaping the colon. > I tried, but it didnt work. Mybe this f

Re: [FFmpeg-user] Cutdetection (dynamic threshold) and Fadedetection with ffmpeg

2015-01-27 Thread Christoph Gerstbauer
Hi Dave! I'm not so familiar with ffmpeg on Windows, but suspect that the error here relates to how the filepath is escaped. Could you try quoting the filterchain or escaping the colon. Dave Rice I tried, but it didnt work. Mybe this filter only works correct on linux? bg Chris ___

Re: [FFmpeg-user] Cutdetection (dynamic threshold) and Fadedetection with ffmpeg

2015-01-27 Thread Dave Rice
Hi Christoph, > On Jan 23, 2015, at 8:39 AM, Christoph Gerstbauer > wrote: > Am 23.01.2015 um 13:57 schrieb Dave Rice: >> On Jan 23, 2015, at 5:23 AM, Christoph Gerstbauer >> wrote: >> The YDIF value in the signalstats filter could show this. ffprobe -f lavfi movie=DETECT_CUTS.mov,s

Re: [FFmpeg-user] Cutdetection (dynamic threshold) and Fadedetection with ffmpeg

2015-01-27 Thread Christoph Gerstbauer
Do you see signalstats when running 'ffmpeg -filters'? Dave Rice ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user .S. signalstats V->V Generate statistics from video analysis. yes! bg Chris

[FFmpeg-user] Write 2 different timecodes into mxf possible?

2015-01-27 Thread Christoph Gerstbauer
Is it possible with FFmpeg to write 2 different timecodes (timecode tracks) into MXF? Example: Timecode 1 (Original Timecode from Tape) Timecode 2 = CrashTimeCode -> always starting with "10:00:00:00" Best Regards Christoph ___ ffmpeg-user mailing li

[FFmpeg-user] How can I force ffmpeg to write 601 SignalStandard and ColorSiting into MXF Op1a (IMX50)

2015-01-27 Thread Christoph Gerstbauer
Hello I want to generate an IMX50 MXF Op1a with ffmpeg. I can do this with following syntax: ffmpeg -i -map 0:v -map 0:a -c:v mpeg2video -r 25 -pix_fmt yuv422p -aspect 4:3 -minrate 5k -maxrate 5k -b:v 5k -intra -flags +ildct+ilme+low_delay -intra_vlc 1 -non_linear_quant 1 -ps 1

[FFmpeg-user] Issue with segment muxer and B frames

2015-01-27 Thread Massimo Battistel
Hello, the following command line drops 2 frames between each segment (I have a frame counter in overlay). ffmpeg -i -vcodec libx264 -pix_fmt yuv420p -aspect 16:9 -b:v 4M -preset ultrafast -g 25 -bf 2 -acodec libvo_aacenc -ac 2 -ar 48000 -b:a 128k -f segment -segment_time 8 -reset_timestamps 1 o